<!DOCTYPE html>
<html lang="en">
  <head>
    <meta charset="UTF-8" />
    <meta http-equiv="X-UA-Compatible" content="IE=edge" />
    <meta name="viewport" content="width=device-width, initial-scale=1.0" />
    <title>Document</title>
    <style>
      li {
        list-style: none;
      }
      #app {
        width: 1440px;
        background: linear-gradient(to bottom, pink, skyblue);
        border: 1px solid pink;
      }
      button {
        border-radius: 50px 5px 5px 5px;
        border: none;
      }
    </style>
  </head>
  <body>
    <div id="app">
      <ul>
        <li v-for="(item,index) in list">
          {{item}}
          <button @click="list.splice(index,1)">删除</button>
        </li>
      </ul>
      <button @click="add">生成</button>
    </div>
    <script src="./vue.js"></script>
    <script>
      new Vue({
        el: "#app",
        data: {
          list: [],
        },
        methods: {
          add() {
            this.list.push(parseInt(Math.random() * 10))
          },
          // del(done) {
          //   this.list.splice(done, 1)
          // },
        },
      })
    </script>
  </body>
</html>
